Buyer read :  
For DELL Precision M2800 motherboard +graphic 0PJWF2 VALA0 LA-9413P

(1) Fully tested well and working 100% .
(2) 60 days warranty 
(3) Our working time is 9:00 am to 6:00 pm from monday to saturday .
(4) When you place the order , please check if your motherboard is same to our picture and 
if your board number is LA-9413P on board.   if your motherboard is no same . please feel free to contact me, i will check if ours is compatible with you laptop for you  .  
(5) We will take out the cmos battery before shipment . when you receive the motherboard , you can take the cmos battery from your old motherboard and install on our board .